Scroll down to the bottom of the page and click the 'Advanced' toggle.

Scroll down through the Privacy and security list and click 'Content Settings ...'.

Click the Location option.

Make sure Buzzy is not in the Blocked list; if it is, remove it by clicking the trash icon to the right.

Safari browser on desktop

Go to Safari > Preferences.

In the Websites tab, select Location from the menu on the left and find Buzzy in the list of websites. Set the permission to 'Ask' or 'Allow'; if Buzzy is not in the list of websites, simply make sure the general setting at the bottom right (When visiting other websites) is set to 'Ask'.